<script setup lang="ts" name="Cart">
import useStore from '@/store'
import Confirm from '@/components/confirm'
import { useRouter } from 'vue-router'
import { computed, ref } from 'vue'
import Message from '@/components/message'
const router = useRouter()
const { cart } = useStore()
console.log(router, '-----------------------')
// 全选反选 //应该是计算属性
const checkAll = computed({
  get() {
    return cart.effectiveList.length ? cart.effectiveList.every(item => item.selected) : false
  },
  set(val) {
    const ids = [] as string[]
    cart.effectiveList.forEach(item => {
      item.selected = val
      ids.push(item.skuId)
    })
    cart.selectAll(ids, val)
  }
})
const changeState = async (skuId: string, selected: boolean) => {
  // console.log(skuId, selected, count)
  await cart.updateCart(skuId, selected)
  Message.success('修改状态成功')
}
// 删除
const deleteCart = async (skuId: string) => {
  await Confirm({
    title: '温馨提示',
    text: '你确定要删除吗?'
  })
  await cart.deleteCart([skuId])
  Message.success('删除成功')
}
// 修改数量
const changeCount = (skuId: string, selected: boolean, count: number) => {
  // console.log(skuId, selected, count)
  cart.updateCart(skuId, selected, count)
}
// 下单支付
const toPay = async () => {
  if (!cart.selectedListCounts) return Message.warning('请选择商品')
  router.push('/member/checkout')
}
</script>

<template>
  <div class="xtx-cart-page">
    <div class="container">
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem>购物车</XtxBreadItem>
      </XtxBread>
      <div class="cart">
        <table>
          <thead>
            <tr>
              <th width="120"><XtxCheckbox v-model:checked="checkAll">全选</XtxCheckbox></th>
              <th width="400">商品信息</th>
              <th width="220">单价</th>
              <th width="180">数量</th>
              <th width="180">小计</th>
              <th width="140">操作</th>
            </tr>
          </thead>
          <!-- 有效商品 -->
          <tbody>
            <!-- 购物车为空时 占位 -->
            <tr v-if="cart.effectiveList.length === 0">
              <td colspan="6">
                <div class="cart-none" style="text-align: center">
                  <img src="@/assets/images/none.png" alt="" />
                  <p>购物车内暂时没有商品</p>
                  <div class="btn" style="margin: 20px">
                    <XtxButton type="primary" @click="$router.push('/')">继续逛逛</XtxButton>
                  </div>
                </div>
              </td>
            </tr>
            <tr v-else v-for="item in cart.effectiveList" :key="item.id">
              <td>
                <XtxCheckbox
                  v-model:checked="item.selected"
                  @update:checked="changeState(item.skuId, $event)"
                />
              </td>
              <td>
                <div class="goods">
                  <RouterLink :to="`/goods/${item.id}`">
                    <img :src="item.picture" alt="" />
                  </RouterLink>
                  <div>
                    <p class="name ellipsis">{{ item.name }}</p>
                    <p class="attr">{{ item.attrsText }}</p>
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ item.nowPrice }}</p>
              </td>
              <td class="tc">
                <XtxNumbox
                  v-model:number="item.count"
                  @update:number="changeCount(item.skuId, item.selected, $event)"
                  :max="item.stock"
                />
              </td>
              <td class="tc">
                <p class="f16 red">&yen;{{ (+item.nowPrice * item.count).toFixed(2) }}</p>
              </td>
              <td class="tc">
                <p><a href="javascript:;">移入收藏夹</a></p>
                <p><a class="green" href="javascript:;" @click="deleteCart(item.skuId)">删除</a></p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
        </table>
      </div>
      <!-- 操作栏 -->
      <div class="action">
        <div class="batch"></div>
        <div class="total">
          共 {{ cart.effectiveListCounts }} 件有效商品，已选择
          {{ cart.selectedListCounts }} 件，商品合计：
          <span class="red">&yen;{{ cart.selectedListPrice }}</span>
          <XtxButton type="primary" @click="toPay">下单结算</XtxButton>
        </div>
      </div>
    </div>
  </div>
</template>

<style scoped lang="less">
.tc {
  text-align: center;
  .xtx-numbox {
    margin: 0 auto;
    width: 120px;
  }
}
.red {
  color: @priceColor;
}
.green {
  color: @xtxColor;
}
.f16 {
  font-size: 16px;
}
.goods {
  display: flex;
  align-items: center;
  img {
    width: 100px;
    height: 100px;
  }
  > div {
    width: 280px;
    font-size: 16px;
    padding-left: 10px;
    .attr {
      font-size: 14px;
      color: #999;
    }
  }
}
.action {
  display: flex;
  background: #fff;
  margin-top: 20px;
  height: 80px;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
  padding: 0 30px;
  .xtx-checkbox {
    color: #999;
  }
  .batch {
    a {
      margin-left: 20px;
    }
  }
  .red {
    font-size: 18px;
    margin-right: 20px;
    font-weight: bold;
  }
}
.tit {
  color: #666;
  font-size: 16px;
  font-weight: normal;
  line-height: 50px;
}
.xtx-cart-page {
  .cart {
    background: #fff;
    color: #666;
    table {
      border-spacing: 0;
      border-collapse: collapse;
      line-height: 24px;
      th,
      td {
        padding: 10px;
        border-bottom: 1px solid #f5f5f5;
        &:first-child {
          text-align: left;
          padding-left: 30px;
          color: #999;
        }
      }
      th {
        font-size: 16px;
        font-weight: normal;
        line-height: 50px;
      }
    }
  }
}
</style>
